(0 18 15)(1 20 4)(2 17 16)(3 8 5)(6 12 9)(7 14 10)(11 19 13)
ALLOWS (11/8)-SEQUENCE
1: (6 12 16)

(0 18 15)(1 20 4)(2 17 16 9 6)(3 8 5)(7 14 10)(11 19 13)(12)
2: (11 19 13)

(0 18 15)(1 20 4)(2 17 16 9 6)(3 8 5)(7 14 10)(11)(12)(13)(19)
3: (2 17 6)

(0 18 15)(1 20 4)(2)(3 8 5)(6 16 9)(7 14 10)(11)(12)(13)(17)(19)
4: (0 18 15)

(0)(1 20 4)(2)(3 8 5)(6 16 9)(7 14 10)(11)(12)(13)(15)(17)(18)(19)